DK9933C
(en )
1907-08-19
Device for smelting, crucible and annealing furnaces, also applicable to furnaces for firing, glazing and other similar purposes.
GB190616641A
(en )
1907-05-02
Improvements in Ovens or Kilns for Annealing Iron Castings, for Burning Bricks and Potterywaer and for other similar uses.
DK6375C
(en )
1904-02-29
Procedure for Insertion by Ring Furnaces.
CH37992A
(en )
1907-08-31
Furnace for heating, firing, annealing and cooling
DK29209C
(en )
1922-01-23
Heating systems for industrial purposes for furnaces of all kinds and in particular for furnaces for smelting steel and other metals.
FR321268A
(en )
1903-01-06
Hearth for open fireplaces, ovens, boiler installations, etc.
DK11214C
(en )
1908-09-07
Furnace for burning bricks and the like.
DK7486C
(en )
1905-05-08
Welding and annealing furnace.
ES41858A1
(en )
1907-11-16
A muffle furnace with a mobile hearth.
DK20433C
(en )
1915-08-16
Device for wood-burning and drying ovens for the production of bricks and bricks, ceramics and other products.
CH38246A
(en )
1907-09-30
Wind furnace for melting metals
CH41148A
(en )
1908-09-16
Annealing, hardening and tempering furnace for electrically heated melt pools
CH40928A
(en )
1908-09-01
Annealing, hardening and tempering furnace for electrically heated melt pools
CH41530A
(en )
1908-11-02
Muffle furnace
ES33046A1
(en )
1904-01-16
A self-falling ore roasting furnace.
DK8621C
(en )
1906-07-09
Device for glass melting furnaces with device for drawing plates.
DK6249C
(en )
1904-01-11
Machine for Making Bricks and Briquettes.
DK6157C
(en )
1903-11-30
Crucible furnace.
DK9270C
(en )
1907-02-04
Regenerator for Retort ovens and the like.
FR383157A
(en )
1908-02-26
Improved method of making briquettes of iron or other ore, blast furnace slag, etc.
AT23707B
(en )
1906-04-10
Muffle furnace.
DK7888C
(en )
1905-10-09
Device by Stoves and Fireplaces with Magazine.
CA86250A
(en )
1904-03-29
Furnace grate
DK11530C
(en )
1908-11-30
Crucible melting furnace.
FR394292A
(en )
1909-01-19
Metallurgical furnace